On Sun, 15 Mar 2009, Y.J. wrote:

> But now my project should create and use connection  externally. That
> means,my program will create a socket using socket(),then construct http
> request,send it to webserver using send(),then receive http response using
> recv().

Doing a full-fledged HTTP client is slightly more complicated than so.

> I need an interface to construct request and output it to a buffer which can
> be the second parameter of send(). I read the source code of
> curl_easy_perform(),it seems like that there is no such function. Does cURL
> provide such interface?

Nope.

> Or how can I write one based on libcurl?

If you really want to do it "on your own", then you're on your own and libcurl
can't help you. But I would rather suggest that you re-think and instead base
your work on an existing library like libcurl. It'll save you headaches and a
lot of work.

-- 
  / daniel.haxx.se